OAKLAND, Calif. — The man charged with killing seven people after going on a shooting spree at a California college earlier this month has said he is “deeply sorry.”

“Families are so angry with me. [But] if I tell them sorry, it doesn’t bring anybody back,” One L. Goh told KPIX-TV in an interview from Santa Rita Jail in Dublin, Calif.

Goh, 43, said his lawyer had told him not to discuss the case in detail but he did not dispute allegations that he shot 10 people, seven of whom died, at Oikos University, in Oakland, on April 2.

Police claim Goh ordered nursing students to line up in a classroom before shooting them with a .45 caliber pistol.

Goh, who was born in South Korea before moving to the United States as a boy, was studying nursing at Oikos but was asked to leave in November 2011 due to disciplinary issues. He had been in dispute with the school over the refund of his tuition, according to reports.

“I was going to be a nurse, I was studying to be a nurse … but it didn’t happen. It is complicated to explain,” Goh said.

Goh, who is charged with seven counts of murder and three counts of attempted murder, is next scheduled to appear in court April 30, when he is expected to enter a plea.